projector

noun

pro·​jec·​tor prə-ˈjek-tər How to pronounce projector (audio)
1
: one that plans a project
specifically : promoter
2
: one that projects: such as
a
: a device for projecting a beam of light
b
: an optical instrument for projecting an image upon a surface
c
: a machine for projecting movies on a screen
3
: an imagined line from an object to a surface along which projection takes place

Examples of projector in a Sentence

Recent Examples on the Web
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Check out our other guides to the best telescopes, binoculars, cameras, star projectors, drones, lego and much more. Harry Bennett, Space.com, 1 Aug. 2025 The projector is capable of reproducing more than a billion colors onscreen. Paul Ridden july 31, New Atlas, 31 July 2025 These are unusual in anything other than a home theater projector. PC Magazine, 29 July 2025 Take your movie night to the next level with this 4K UHD laser projector. Bestreviews, Chicago Tribune, 10 July 2025 See All Example Sentences for projector

Word History

First Known Use

1596, in the meaning defined at sense 1

Time Traveler
The first known use of projector was in 1596

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Cite this Entry

“Projector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/projector. Accessed 19 Aug. 2025.

Kids Definition

projector

noun
pro·​jec·​tor prə-ˈjek-tər How to pronounce projector (audio)
: a machine for projecting an image or pictures upon a surface
a motion-picture projector
a slide projector

More from Merriam-Webster on projector

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